Happy Gut Tonic - Seaweed

$44.95
Free Organic Gardening Course with any online purchase

1lt treats up to 400sqm

The green smoothie your soil's been craving

Premium certified organic seaweed that stimulates early root development, boosts immunity and grows plants that are tougher, more resilient and harder to kill.

  • Stimulates early root development from the first application
  • Boosts plant immunity- naturally more resilient to stress and disease
  • Powerful microbial stimulant - activates your soil environment
  • Reduces plant stress - suitable for regular application

Your soil's daily gut health hit. Apply fortnightly

Happy Gut Tonic 1lt 4lt 10lt 20lt
Cost per lt $44.95 $15.49 $12.49 $12.30
Cost per application / sqm $0.12 $0.038 $0.032 $0.031

* Leading competitors average $0.055c per sqm .

lt
NB: when purchasing 10lt & 20lt
Quantity

What's in it
Ascophyllum Nodosum — the most researched kelp on the planet. Agriculture grade, certified organic by SXC.

Why it works
Contains alginic acid, which acts immediately on soil particles — forming a structure that holds moisture and houses beneficial microbes. This is what triggers early root development and activates your soil's immune response from the first application.

Best paired with
These three form our Starter Kit — the foundation of a healthy garden. Use Nutrient Rock Star at the start of each season/ or at inital planting to remineralise your soil, Happy Gut Tonic fortnightly to keep your soil microbiome active, and The Protein Shake fortnightly to drive growth and feed your plants.

Apply at these key times

  • Post planting
  • For transplanting soak in a  bath 2- 24 hours prior 
  • Fortnightly

Application Rates:

Soil Drench per 9lt - covers up 8-10 sqm,

  • Veggies, fruit trees, flower beds, lawns (half the rate for natives )
  • General purpose 20-40ml
  • Large Trees: 50-100ml
  • Stressed trees 100-200ml

Foliar Spray

  • one rate for all 25ml per 1 lt - spray to run off

Hose On Application:

  • 200ml - 400ml per 1 lt of water  will cover approximately 100sqm

please note we do not sell hose on,  however, instead, we encourage you to reuse the ones you have 

🏠 Parcel lockers — heads up for heavy orders
Our heavier products can't be delivered to parcel lockers or Parcel Collect locations. Please use a valid street address at checkout to avoid any delays or your order being returned to us.

🔒 Gated properties & access
Our couriers need clear access to deliver safely. If they can't get through, they'll leave a calling card with instructions for collecting from a nearby depot. Please make sure your property is accessible — any return or redelivery costs that arise will be passed on.

📦 Returns & reshipping
If an order makes its way back to us — whether due to an inaccessible address, parcel locker rejection, uncollected parcel, or incorrect address — we'll get in touch to arrange reshipping. Please double-check your address at checkout as incorrect addresses are one of the most common causes of returns. Return freight and reshipping costs will be invoiced before we resend.

📱 Download the Australia Post app
For AusPost deliveries, we really recommend the app — it lets you set authority to leave, manage redelivery, and stay across notifications all in one place. Makes life a lot easier!

🔔 Stay across your tracking
Once your order is on its way, tracking updates come directly from the carrier. Jump on these promptly to avoid any additional charges or missed deliveries — it's the best way to make sure your order lands smoothly. 🌱 

Returns, Refunds & Our Guarantee

The Soil Dynamics 30-Day Guarantee
We're confident in what we do — so if you've followed the application schedule and aren't seeing results within 30 days, we'll give you a full refund. No hoops to jump through — just get in touch at hello@soildynamics.com.au with your order number, tell us what you used and how, and we'll take your word for it.

Damaged or incorrect orders
Please inspect your order on arrival. If anything is damaged or not what you ordered, contact us within 5 days of receiving it with a photo and we'll sort it out straight away — replacement or full refund, whichever you prefer.

Returns
Returns are at the customer's expense and must be requested before sending anything back. Items sent back without prior approval will not be accepted.

Returns are to be sent to:
Quickmail c/o Soil Dynamics
1712 Albany Highway
Kenwick WA 6107

Non-returnable items
Due to their nature, opened liquid and granular fertiliser products cannot be returned outside of our 30-day guarantee. We do not accept change of mind returns.We do not accept change of mind returns. Sale items and gift cards are non-returnable.

Refunds
Once approved, refunds are processed to your original payment method within 10 business days. Please allow additional time for your bank to process on their end. If 15 business days have passed and you haven't seen your refund, contact us at hello@soildynamics.com.au.

Happy Gut Tonic

organic seaweed fertiliser

Gets the plant ready- stimulates root development 

Organic Seaweed Fertiliser

Introducing Happy Gut Tonic - Organic Seaweed Fertiliser-Ascophyllum Nodosum

is the most researched kelp on the planet - beneficial and safe to use on all plants, saving you time and money.

Why the Name? Happy Gut Tonic is like a green smoothie for you, stimulating and enhancing your gut microbiome to build immunity and strength from within.  The soil and human gut contain approximately the same number of microorganisms, while human gut microbiome diversity is only 10% that of soil biodiversity and has decreased dramatically within today's modern lifestyle.

Get ready to unleash the power of the ocean on your garden with Happy Gut Tonic! This certified organic goodness is like a beach vacation for your plants, packed with kelp and trace elements that will have them feeling strong and refreshed. And the best part? A healthy garden means a healthy you! 

The Difference with our Seaweed Fertiliser

  • We use the most scientifically researched kelp on the planet- Ascophyllum Nodosum
  • It is agriculture grade and goes twice as far  1lt treats up to 400sqm 
  • Certified Organic by SXC

Our Organic Seaweed Fertiliser contains alginic acid, which is a unique material that has an immediate effect on soil particles by forming bonds. It gives the soil a crumb-like structure that holds and retains moisture and houses microbes.

 

 Happy Gut Tonic organic seaweed fertiliser

Our Organic Seaweed Fertiliser is Perfect For:

Stimulating root development and resilience against pests and diseases in all plants

 What is it, What does it do, How does it work?

  • It’s a liquid concentrate of kelp
  • It stimulates early root development and reduces plant stress
  • It acts as a powerful microbial stimulant encouraging an active soil environment, promoting plant immunity

What Are The Benefits Of Our Organic Seaweed Fertiliser, Happy Gut Tonic?

  • Results in healthier tougher plants
  • Reduces plant stress
  • Stimulates microbes, improving soil health
  • River & ground safe

Frequently Asked Questions

organic vegetable fertiliser

Our Promise

Our Nurture for Purpose Guarantee is designed for The Eco Enthusiast

  • You will have your garden thriving within 30 days.
  • Guaranteed for all our Home Garden products

OR

  • Upgrade the guarantee with our Foundation Bundle " made of our 5 core products" starting at only $225.98 your complete soil health system if you do not get results book a call for a
  • Free 30-minute agronomy session normally retailing at $495 with one of WA’s most respected Organic Agronomist -Anthony Quinlan
  • If you are still not happy, we will give you a full refund, simply provide your receipt

Free Shipping

on all order $250+

Pet Friendly
Beneficial and safe for all plants
Aussie Made
Certified Organic